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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

YD 251-1981

Chinese Standard: 'YD 251-1981'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
YD 251-1981English199 Add to Cart Days<=2 (Pull the collar) YD 251-1981 Obsolete YD 251-1981

  SIMILAR unprotected-true-PDFs:
  GB 6830-1986  GB/T 3873-1983  YD/T 1092-2023